CN215626885U - Triple-effect evaporator suitable for evaporating high-salinity wastewater - Google Patents
Triple-effect evaporator suitable for evaporating high-salinity wastewater Download PDFInfo
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- CN215626885U CN215626885U CN202121383290.4U CN202121383290U CN215626885U CN 215626885 U CN215626885 U CN 215626885U CN 202121383290 U CN202121383290 U CN 202121383290U CN 215626885 U CN215626885 U CN 215626885U
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Abstract
The utility model relates to the technical field of high-salinity wastewater treatment equipment, in particular to a three-effect evaporator suitable for evaporating high-salinity wastewater, which comprises a primary evaporator, wherein a secondary evaporator is arranged at the right side end of the primary evaporator, a tertiary evaporator is arranged at the right side end of the secondary evaporator, a liquid conveying pipe a is arranged at the bottom end part of the primary evaporator, the other end of the liquid conveying pipe a is connected with the upper part of the inner wall of the left side end of the secondary evaporator, a liquid conveying pipe b is arranged at the bottom end part of the secondary evaporator, the other end of the liquid conveying pipe b is connected with the upper part of the inner wall of the left side end of the tertiary evaporator, a filter box is connected to the liquid conveying pipe a and the liquid conveying pipe b, a filter plate is arranged inside the filter box, and the mother liquor passing through the liquid conveying pipe can be filtered in the mode, so that salt crystals precipitated in the mother liquor can be effectively prevented from being blocked at the bent pipe of the liquid conveying pipe, and the financial resources put into a factory can be effectively reduced, the efficiency of evaporating the high-salinity wastewater can be improved.
Description
Technical Field
The utility model relates to the technical field of high-salinity wastewater treatment equipment, in particular to a triple-effect evaporator suitable for evaporating high-salinity wastewater.
Background
The triple-effect evaporator is an extraction and concentration device, adopts a shell and tube circulating external heating working principle, has short physical heating time, high evaporation speed and large concentration ratio, effectively keeps the original effect of materials, has obvious energy-saving effect, and is widely suitable for the evaporation and concentration process of liquid materials in pharmacy, chemical industry, food, light industry and the like.
When current triple effect evaporimeter specifically uses again, the mother liquor need enter into the second grade evaporimeter through the transfer line after the evaporation in the one-level evaporimeter, evaporate once more in carrying to tertiary evaporimeter after the evaporation of second grade evaporimeter, solution content reduces in the final mother liquor, solution can be carried and is separated crystallization salt and solution to utilizing centrifugal force in the separator, at the in-process that the transfer line was carried, crystallization in the solution can continuous appear, this crystallization that just leads to solution to appear is likely to block up the transfer line, and in case the transfer line is blockked up just need consume a large amount of financial resources and time and clear up, so not only can improve the input cost of mill, also can cause the influence to the speed of waste water evaporation.
Therefore, the utility model is necessary to invent a triple-effect evaporator suitable for evaporating high-salinity wastewater.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a triple-effect evaporator suitable for evaporating high-salinity wastewater, which can filter the evaporated mother liquor through the arranged filter box, so as to solve the problems that crystals in the solution can be continuously separated out in the conveying process of a liquid conveying pipe in the conventional triple-effect evaporator, the liquid conveying pipe can be possibly blocked by the crystals separated out from the solution, and once the liquid conveying pipe is blocked, a large amount of financial resources and time are consumed for cleaning, so that the investment cost of a factory is increased, and the evaporation rate of the wastewater is influenced.
In order to achieve the above purpose, the utility model provides the following technical scheme: a triple-effect evaporator suitable for evaporating high-salinity wastewater comprises a primary evaporator, a secondary evaporator is arranged at the right side end of the primary evaporator, a tertiary evaporator is arranged at the right side end of the secondary evaporator, the upper ends of the primary evaporator, the secondary evaporator and the tertiary evaporator are connected through a steam conveying pipe, a liquid conveying pipe a is arranged at the bottom end of the primary evaporator, the other end of the liquid conveying pipe a is connected with the upper portion of the inner wall of the left side end of the secondary evaporator, a liquid conveying pipe b is arranged at the bottom end of the secondary evaporator, the other end of the liquid conveying pipe b is connected with the upper portion of the inner wall of the left side end of the tertiary evaporator, filter boxes are connected on the liquid conveying pipe a and the liquid conveying pipe b, filter plates are arranged inside the filter boxes, fixed chutes are arranged at the joints of the inner side end walls of the filter boxes and the filter plates, the fixed chutes are matched with the filter plates, and heaters are fixed on the outer walls of the left side ends of the filter boxes, the hot plate is fixed with to rose box bottom inner wall, heater and hot plate electric connection, tertiary evaporimeter right side tip has the condenser through steam conveying pipe connection, the last precooling case that is equipped with of steam conveying pipe.
Preferably, a separation plate is fixed on the upper portion of the inner side end wall of the primary evaporator, an electromagnetic valve is fixed at the bottom end of the separation plate in a sleeved mode, and the steam conveying pipe is arranged above the separation plate.
Preferably, a crystallization box is arranged below the separation plate, the outer end wall of the crystallization box is fixedly connected with the inner end wall of the first-stage evaporator, and a mesh sieve plate is fixed at the bottom end of the crystallization box.
Preferably, the bottom end of the primary evaporator is provided with a liquid outlet, the infusion tube a is fixedly connected with the liquid outlet in a sleeved mode, the left end of the filter box is fixedly provided with an infusion pump, and the infusion tube a and the infusion tube b are both provided with infusion pumps.
Preferably, the condenser has a cold water pool through the pipe connection, the inside left side end of precooling case is equipped with liquid partition board a, precooling case top inner wall left side end fixing has atomizer, atomizer upper end is connected with the cold water pool through the pipeline.
Preferably, the upper part of the inner wall of the left side end of the precooling box is connected with a heat exchange tube, the other end of the heat exchange tube penetrates through the liquid baffle a to be connected with the bottom of the inner wall of the right side end of the precooling box, and two end parts of the liquid conveying tube a and the liquid conveying tube b are respectively connected with two side ends of the corresponding heat exchange tube in a sleeving manner.
Preferably, the left end of the liquid separation plate a is fixedly connected with a liquid separation plate b, the other end of the liquid separation plate b is fixedly connected with the inner wall of the left end of the precooling box, the liquid separation plate b is arranged below the heat exchange tube, and a one-way liquid exchange port is formed in the upper portion of the joint of the liquid separation plate a and the liquid separation plate b.
Preferably, a liquid conveying pipe c is arranged at the bottom end of the three-stage evaporator, and the other end of the liquid conveying pipe c is connected with the separator.
The utility model has the beneficial effects that:
1. according to the utility model, the filter plate arranged in the filter box can filter salt crystals precipitated in the mother liquor again, the heater and the heating plate are arranged to heat the mother liquor, the temperature of the mother liquor is prevented from being too low in the filtering process, and meanwhile, the heating efficiency of the subsequent evaporator on the mother liquor can be improved.
2. According to the utility model, steam generated in the three-stage evaporator firstly enters the heat exchange tube in the precooling tank through the steam conveying tube, the cold water tank conveys cooling water to the atomizing nozzle through the pipeline, the atomizing nozzle sprays the water to primarily cool the solution in the heat exchange tube, the cooled cooling water enters the right side end part of the liquid partition plate a through the one-way liquid changing port, the heat exchange tube is soaked in the cooling water, the steam cooling effect of the heat exchange tube is improved, the steam enters the condenser after cooling, and the steam can be precooled before entering the condenser through the mode, so that the efficiency of the condenser is higher when the condenser condenses the steam.
Drawings
FIG. 1 is a schematic view of the overall flow structure of the present invention;
FIG. 2 is a schematic sectional view of a primary evaporator according to the present invention;
FIG. 3 is a schematic sectional view of the filter box according to the present invention;
FIG. 4 is a schematic perspective view of a filter plate according to the present invention;
fig. 5 is a schematic sectional view of the precooling box in the front view direction.
In the figure: 1. a first-stage evaporator; 1-1, separating plate; 1-2, an evaporation chamber; 1-3, an electromagnetic valve; 1-4, a crystallization box; 1-5, a liquid outlet; 2. a secondary evaporator; 3. a third-stage evaporator; 4. an infusion pump; 5. a filter box; 5-1, a filter plate; 5-2, fixing the sliding chute; 5-3, a heater; 5-4, heating the plate; 6. a pre-cooling box; 6-1, an atomizing nozzle; 6-2, heat exchange tubes; 6-3, a liquid separation plate a; 6-4, a liquid separation plate b; 6-5, a one-way liquid exchange port; 7. a cold water tank; 8. a condenser; 9. a separator.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to the attached drawings 1-5, the utility model provides a triple-effect evaporator suitable for evaporating high-salinity wastewater, which comprises a primary evaporator 1, wherein a secondary evaporator 2 is arranged at the right side end of the primary evaporator 1, a tertiary evaporator 3 is arranged at the right side end of the secondary evaporator 2, the upper ends of the primary evaporator 1, the secondary evaporator 2 and the tertiary evaporator 3 are connected through a steam conveying pipe, a liquid conveying pipe a is arranged at the bottom end of the primary evaporator 1, the other end of the liquid conveying pipe a is connected with the upper part of the inner wall at the left side end of the secondary evaporator 2, a liquid conveying pipe b is arranged at the bottom end of the secondary evaporator 2, the other end of the liquid conveying pipe b is connected with the upper part of the inner wall at the left side end of the tertiary evaporator 3, the liquid conveying pipe a and the liquid conveying pipe b are both connected with a filter box 5, a filter plate 5-1 is arranged in the filter box 5, a fixed chute 5-2 is arranged at the joint of the inner side end wall of the filter box 5-1, the fixed chute 5-2 is matched with the filter plate 5-1 for use, the outer wall of the left side end of the filter box 5 is fixed with a heater 5-3, the inner wall of the bottom end of the filter box 5 is fixed with a heating plate 5-4, the heater 5-3 is electrically connected with the heating plate 5-4, the right side end part of the third-level evaporator 3 is connected with a condenser 8 through a steam conveying pipe, a pre-cooling box 6 is arranged on the steam conveying pipe, specifically, the first-level evaporator 1, the second-level evaporator 2 and the third-level evaporator 3 are arranged for carrying out fractional evaporation on mother liquor, finally salt in the mother liquor is crystallized and separated out, the first-level evaporators 1, 2 and the third-level evaporator 3 are identical in integral structure, the infusion tube a is arranged for conveying the mother liquor evaporated by the first-level evaporator 1 to the second-level evaporator 2 for evaporation, the infusion tube b is arranged for conveying the mother liquor evaporated by the second-level evaporator 2 to the third-level evaporator 3 for evaporation, the steam conveying pipe is arranged between the first-stage evaporator 1 and the second-stage evaporator 2 and is used for conveying high-temperature steam formed by evaporation of the first-stage evaporator 1 to the second-stage evaporator 2 to heat mother liquor in the second-stage evaporator 2, the steam conveying pipe is arranged between the second-stage evaporator 2 and the third-stage evaporator 3 and is used for conveying high-temperature steam formed by evaporation of the second-stage evaporator 2 to the third-stage evaporator 3 to heat mother liquor in the third-stage evaporator 3, the steam conveying pipe is arranged between the third-stage evaporator 3 and the condenser 8 and is used for conveying steam in the third-stage evaporator 3 to the condenser 8 to be condensed into liquid water, recycling of water resources is facilitated, the filtering box 5 is arranged and can filter the conveyed mother liquor through the filtering plate 5-1 to filter salt crystals mixed in the mother liquor, the fixed chute 5-2 is used for fixing the filtering plate 5-1, secondly, the filter plate 5-1 can be drawn out from the fixed chute 5-2 in a sliding mode, so that a worker can conveniently collect crystals on the filter plate 5-1, and the heater 5-3 and the heating plate 5-4 are arranged for heating the mother liquor, so that the temperature of the mother liquor is prevented from being too low in the filtering process, and meanwhile, the heating efficiency of a subsequent evaporator for the mother liquor is improved.
Further, a separation plate 1-1 is fixed on the upper portion of the end wall of the inner side of the primary evaporator 1, an electromagnetic valve 1-3 is fixed at the bottom end portion of the separation plate 1-1 in a sleeved mode, a steam conveying pipe is arranged above the separation plate 1-1, specifically, the separation plate 1-1 is arranged for separating an evaporation chamber 1-2 and a crystallization chamber in the primary evaporator 1, and the electromagnetic valve 1-3 is arranged for conveying mother liquor to the bottom end portion of the primary evaporator 1;
further, a crystallization box 1-4 is arranged below the separation plate 1-1, the outer end wall of the crystallization box 1-4 is fixedly connected with the inner end wall of the primary evaporator 1, a mesh sieve plate is fixed at the bottom end of the crystallization box 1-4, and specifically, the set crystallization box 1-4 can filter salt crystals precipitated from the mother liquor through the mesh sieve plate to prevent the mother liquor from blocking the infusion tube at the front half section of the filter box 5;
furthermore, the bottom end part of the primary evaporator 1 is provided with liquid outlets 1-5, a liquid conveying pipe a and the liquid outlets 1-5 are fixedly connected in a sleeving manner, the left end of the filter box 5 is fixedly provided with a liquid conveying pump 4, the liquid conveying pipe a and the liquid conveying pipe b are both provided with liquid conveying pumps 4, and the liquid conveying pump 4 is arranged to enable mother liquor to enter the next evaporator through the liquid conveying pipe;
further, the condenser 8 is connected with a cold water tank 7 through a pipeline, a liquid separation plate a6-3 is arranged at the left side end inside the pre-cooling tank 6, an atomizing nozzle 6-1 is fixed at the left side end part of the inner wall of the top end of the pre-cooling tank 6, the upper end of the atomizing nozzle 6-1 is connected with the cold water tank 7 through a pipeline, and the cold water tank 7 is specifically arranged to provide cooling water for the condenser 8 when the condenser 8 condenses steam;
further, the upper part of the inner wall of the left side end of the precooling tank 6 is connected with a heat exchange tube 6-2, the other end of the heat exchange tube 6-2 penetrates through a liquid separation plate a6-3 to be connected with the bottom of the inner wall of the right side end of the precooling tank 6, a liquid conveying tube a and two end parts of a liquid conveying tube b are respectively connected with two side ends of the corresponding heat exchange tube 6-2 in a sleeving manner, specifically, the heat exchange tube 6-2 is arranged to facilitate heat exchange between steam and cooling water in the cold water tank 7, so that the temperature of the steam is reduced, and the atomizing nozzle 6-1 is arranged to firstly spray the steam in the heat exchange tube 6-2 for cooling;
furthermore, a liquid isolating plate b6-4 is fixedly connected to the left side end of the liquid isolating plate a6-3, the other end of the liquid isolating plate b6-4 is fixedly connected with the inner wall of the left side end of the pre-cooling box 6, the liquid isolating plate b6-4 is arranged below the heat exchange tube 6-2, a one-way liquid changing port 6-5 is formed in the upper portion of the joint of the liquid isolating plate a6-3 and the liquid isolating plate b6-4, specifically, a one-way valve is arranged in the arranged one-way liquid changing port 6-5, and the arranged one-way liquid changing port 6-5 is used for conveying cooling water sprayed by the liquid isolating plate 6 to the right side end portion of the liquid isolating plate a6-3, so that the right side end portion of the heat exchange tube 6-2 can be soaked, and the effect of cooling steam conveyed by the heat exchange tube 6-2 is better;
further, a liquid conveying pipe c is arranged at the bottom end of the three-stage evaporator 3, the other end of the liquid conveying pipe c is connected with a separator 9, and specifically, the separator 9 is arranged for separating salt crystals and an aqueous solution in the mother liquor evaporated in the three-stage evaporator 3;
the using process of the utility model is as follows: firstly, mother liquor stored in a mother liquor tank is conveyed into a primary evaporator 1 through a conveying pipe, the pressure intensity in the primary evaporator 1 is increased through a pressure valve, then raw steam is filled into the primary evaporator 1 through a steam conveying pipe arranged at the left end of the primary evaporator 1, the raw steam can heat the mother liquor, the solution of the mother liquor can be changed into steam when the mother liquor is heated, internal salt crystals can be gradually separated out, after a period of time, an electromagnetic valve 1-3 is opened, the mother liquor can enter a crystallization box 1-4, the crystallization box 1-4 can filter the salt crystals separated out from the mother liquor through a mesh sieve plate, the filtered mother liquor can be conveyed into a filter box 5 through the action of a liquid conveying pump 4 and a liquid conveying pipe a, the filter plate 5-1 arranged in the filter box 5 can filter the salt crystals separated out from the mother liquor again, and a heater 5-3 and a heating plate 5-4 are arranged for heating the mother liquor, the temperature of the mother liquor is prevented from being lowered too low in the filtering process, meanwhile, the efficiency of the subsequent evaporator for heating the mother liquor is improved, the mother liquor filtered by the filter box 5 can be conveyed into the secondary evaporator 2, the steam generated in the primary evaporator 1 during heating can enter the secondary evaporator 2 through the steam conveying pipe to heat the mother liquor in the secondary evaporator 2 again, after the secondary evaporator 2 heats the mother liquor for a period of time, the mother liquor can enter the tertiary evaporator 3 through the liquid conveying pipe b, the filter box 5 connected with the crystallization box arranged in the tertiary evaporator 3 and the liquid conveying pipe b can filter the mother liquor again, the filtered mother liquor 2 can enter the tertiary evaporator 3 through the liquid conveying pipe b, the steam generated in the secondary evaporator 2 during heating can enter the tertiary evaporator 3 through the steam conveying pipe to heat the mother liquor in the tertiary evaporator 3 again, after the tertiary evaporator 3 heats the mother liquor for a period of time, the arranged liquid conveying pipe c conveys the mother liquor to the separator 9 for solid-liquid separation, the separated solution is conveyed into the secondary evaporator 2 again for circulation, steam generated in the tertiary evaporator 3 firstly enters the heat exchange pipe 6-2 in the precooling box 6 through the steam conveying pipe, the cooling water is conveyed to the atomizing spray head 6-1 through the pipeline by the cold water tank 7, the atomizing spray head 6-1 sprays water to carry out primary cooling on the solution in the heat exchange pipe 6-2, the cooled cooling water enters the right side end part of the liquid partition plate a6-3 through the one-way liquid exchange port 6-5, at the moment, the heat exchange pipe 6-2 is soaked in the cooling water, the steam cooling effect of the heat exchange pipe 6-2 is improved, and the cooled steam enters the condenser 8, the condenser 8 condenses the steam into liquid water, the liquid water finally enters the reuse water pool for reuse, and the drain pipe arranged at the bottom end of the precooling tank 6 conveys the cooling water to the cold water pool 7 for reuse.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a triple effect evaporator suitable for high salt waste water evaporation, includes one-level evaporimeter (1), one-level evaporimeter (1) right side end is equipped with second grade evaporimeter (2), one-level evaporimeter (1) second grade evaporimeter (2) right side end is equipped with tertiary evaporimeter (3), one-level evaporimeter (1), second grade evaporimeter (2) and tertiary evaporimeter (3) upper end pass through steam delivery pipe and connect, one-level evaporimeter (1) bottom portion is equipped with transfer line an, and the transfer line an other end is connected with second grade evaporimeter (2) left side end inner wall upper portion, second grade evaporimeter (2) bottom portion is equipped with transfer line b, and the transfer line b other end is connected with tertiary evaporimeter (3) left side end inner wall upper portion, its characterized in that: the novel solar energy water heater is characterized in that the infusion tube a and the infusion tube b are both connected with a filter box (5), a filter plate (5-1) is arranged inside the filter box (5), a fixed sliding groove (5-2) is formed in the joint of the inner side end wall of the filter box (5) and the filter plate (5-1), the fixed sliding groove (5-2) is matched with the filter plate (5-1) for use, a heater (5-3) is fixed on the outer wall of the left side end of the filter box (5), a heating plate (5-4) is fixed on the inner wall of the bottom end of the filter box (5), the heater (5-3) is electrically connected with the heating plate (5-4), the right side end of the tertiary evaporator (3) is connected with a condenser (8) through a steam conveying tube, and a pre-cooling box (6) is arranged on the steam conveying tube.
2. The triple-effect evaporator suitable for evaporating high-salinity wastewater according to claim 1, characterized in that: a separation plate (1-1) is fixed to the upper portion of the inner side end wall of the primary evaporator (1), an electromagnetic valve (1-3) is fixed to the bottom end portion of the separation plate (1-1) in a sleeved mode, and the steam conveying pipe is arranged above the separation plate (1-1).
3. The triple-effect evaporator suitable for evaporating high-salinity wastewater according to claim 2, characterized in that: a crystallization box (1-4) is arranged below the separation plate (1-1), the outer side end wall of the crystallization box (1-4) is fixedly connected with the inner side end wall of the primary evaporator (1), and a mesh sieve plate is fixed at the bottom end of the crystallization box (1-4).
4. The triple-effect evaporator suitable for evaporating high-salinity wastewater according to claim 1, characterized in that: the infusion pump is characterized in that a liquid outlet (1-5) is arranged at the bottom end of the primary evaporator (1), the infusion tube a is fixedly connected with the liquid outlet (1-5) in a sleeved mode, an infusion pump (4) is fixed at the left end of the filter box (5), and the infusion pump (4) is arranged on the infusion tube a and the infusion tube b.
5. The triple-effect evaporator suitable for evaporating high-salinity wastewater according to claim 1, characterized in that: condenser (8) have cold water pond (7) through the pipe connection, the inside left side end of precooling case (6) is equipped with liquid partition board a (6-3), precooling case (6) top inner wall left side tip is fixed with atomizer (6-1), atomizer (6-1) upper end is connected with cold water pond (7) through the pipeline.
6. The triple-effect evaporator suitable for evaporating high-salinity wastewater according to claim 1, characterized in that: the upper portion of the inner wall of the left side end of the precooling box (6) is connected with a heat exchange tube (6-2), the other end of the heat exchange tube (6-2) penetrates through a liquid baffle a (6-3) to be connected with the bottom of the inner wall of the right side end of the precooling box (6), and two end portions of the infusion tube a and two end portions of the infusion tube b are connected with two side ends of the corresponding heat exchange tube (6-2) in a sleeved mode.
7. The triple-effect evaporator suitable for evaporating high-salinity wastewater according to claim 5, characterized in that: the liquid separation plate is characterized in that a liquid separation plate b (6-4) is fixedly connected to the left side end of the liquid separation plate a (6-3), the other end of the liquid separation plate b (6-4) is fixedly connected with the inner wall of the left side end of the pre-cooling box (6), the liquid separation plate b (6-4) is arranged below the heat exchange tube (6-2), and a one-way liquid changing port (6-5) is formed in the upper portion of the joint of the liquid separation plate a (6-3) and the liquid separation plate b (6-4).
8. The triple-effect evaporator suitable for evaporating high-salinity wastewater according to claim 1, characterized in that: and a liquid conveying pipe c is arranged at the bottom end part of the three-stage evaporator (3), and the other end of the liquid conveying pipe c is connected with the separator (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121383290.4U CN215626885U (en) | 2021-06-22 | 2021-06-22 | Triple-effect evaporator suitable for evaporating high-salinity wastewater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121383290.4U CN215626885U (en) | 2021-06-22 | 2021-06-22 | Triple-effect evaporator suitable for evaporating high-salinity wastewater |
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| CN215626885U true CN215626885U (en) | 2022-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118479696A (en) * | 2024-07-12 | 2024-08-13 | 淄博彤易斋化工有限公司 | Sand filter device for high-salt wastewater treatment |
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2021
- 2021-06-22 CN CN202121383290.4U patent/CN215626885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118479696A (en) * | 2024-07-12 | 2024-08-13 | 淄博彤易斋化工有限公司 | Sand filter device for high-salt wastewater treatment |
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